A brand-new air conditioner is supposed to bring relief, not a repeat of the same problem.
But for one homeowner, an expensive upgrade turned into a headache when a replacement for a frequently tripping AC started cutting out after about 15 minutes of runtime.
What happened?
According to a Reddit post, a homeowner on r/hvacadvice said their old central AC had been tripping the breaker, and the newly installed replacement began doing the same.
"We used to have an old AC unit and it was constantly tripping after running for a few minutes, I don't know how old it was but it came with the house when we bought it," they explained in the caption. "We got a brand new AC unit like a month or two ago, the new unit work great until last night where the circuit breaker keep on tripping again after 15 minutes."
A new heating and cooling system is often one of the most effective upgrades for lowering utility bills, improving comfort, and offering more protection against rising energy costs. When the system still shuts down, however, it can suggest that the equipment itself, the installation, or an underlying electrical issue still needs attention.
If you're exploring an upgrade of your own, EnergySage's heat pump marketplace program can help homeowners understand their HVAC options by comparing quotes from vetted installers.
Commenters on the post pointed to loose wires and possible overheating as the likely culprit.
"Tighten all connections. Wash condenser coil. If it continues call a professional," one user promptly suggested.
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Another said, "I feel like an electrician should be involved in this one. Rusty looking screws, wire jacket showing signs of over heating."
Why does it matter?
HVAC upgrades can be one of the clearest paths to savings. High-efficiency systems, especially electric heat pumps, can reduce the energy needed to heat and cool a home, helping lower monthly bills over time. But those savings depend on proper sizing, installation, and electrical compatibility.
A breaker that keeps tripping can result in uncomfortable indoor temperatures and extra service calls.
A breaker is designed to stop the flow of power when something may be wrong, so repeated trips are a warning sign that should not be ignored. Resetting it repeatedly without a diagnosis could lead to a much larger repair bill later.
What can I do?
If this happens to you, start by documenting exactly when the system trips, how long it runs, and whether it happens only during especially hot weather or during every cycle. Then contact the installer and ask for a warranty service visit. A new system should be checked for equipment defects, installation mistakes, refrigerant issues, airflow problems, and electrical mismatches.
If you decide to move forward with an efficient upgrade, EnergySage is an excellent resource for discovering your options. If you're not ready to spend up front, Palmetto offers a $0-down HVAC leasing program so you can begin saving on your energy bill without the large expense of a newly owned HVAC system. Palmetto's leases start at $99/month and include 12 years of free maintenance.
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